(届北京市东城区普通校高三3月联考 )-You were not in when I came over to your house.-Oh, I ____________ for a friend from England at the airport.
You promised your friend a letter; you ought to ______ days ago.
Tell me how you work out the answer, _______ you?
“ Need he go?” “ Yes, he ______.”
“ Isn’t that Tom playing basketball?” “ It ______ be; he fell off the ladder yesterday and got badly hurt.”
“________ I have a glass of beer?” “ No, I’m afraid you ________.”